9894140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 21978432

約数和(自身を除く): 12084292

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 157, 230, 274, 314, 460, 548, 628, 685, 785, 1370, 1570, 2740, 3140, 3151, 3611, 6302, 7222, 12604, 14444, 15755, 18055, 21509, 31510, 36110, 43018, 63020, 72220, 86036, 107545, 215090, 430180, 494707, 989414, 1978828, 2473535, 4947070, 9894140]

約数ペア:

[(1, 9894140), (2, 4947070), (4, 2473535), (5, 1978828), (10, 989414), (20, 494707), (23, 430180), (46, 215090), (92, 107545), (115, 86036), (137, 72220), (157, 63020), (230, 43018), (274, 36110), (314, 31510), (460, 21509), (548, 18055), (628, 15755), (685, 14444), (785, 12604), (1370, 7222), (1570, 6302), (2740, 3611), (3140, 3151)]